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H. M. PFLAGER LOCOIIOTIVE TRAILER TRUCK Nov. 2, 1926. Re. 16,455

2 Sheets-Sheet l Original Filed Sept. 14. 1925 H M PFLAGER 1926 LOC'OIOTIVE TRAILER 'mucx 1,6455

2 She ets-Shee't 2 Original Filed Sept. 14, 1925 1 box rocker bearings Reissued Nov. 2, 1926.

UNITED STATES PATENT OFFICE.

HAIRY I. PILAGE B, 8'1. LOUIS, MISSOURI, ASSIGNOR TO COMMONWEALTH STEEL comm, 0] 8'1. LOUIS, MISSOURI, .A. CORPORATION OF NEWJEBSEY.

Locomo'rrvn TEAILEB annex.

Original No. 1,688,468, dated. July 20, 1928, Serial No. 56,216, filed September 14, 1825. Application for reissue fled September 22, 1926. Serial No. 187,158.

My invention relates to railway rolling stock and consists in an improved trailer truck construction for use in locomotives.

The object of my invention is to provide a trailer truck frame and ash pan structure so united with each other that the one forms at art of and reinforces the other, thereby iminating a number of duplicate rts or other necessary reinforcements of the truck frame and ash pan elements.

In Patent No. 1,593,465, copending with the original patent upon which this reissue application isbased, I illustrate a similar invention embodied in a trailer truck in which thewheel pieces are located on the outside of the wheels. In my present invention, the preferred structure embodies the application of my invention to a truck in w ich the wheel pieces are located inside of the illustrating my invention v Figure 1' is a longitudinal one-half top view ,of a two wheel trailer truck embodying my invention. v Figure 2 is a side elevation of the same.

Figures ,3 and 4 are vertical transverse sections lines 33 and 44, respectively, of Figure 2.

Fi 5 is a longitudinal one-half view of a modi ed embodiment of my invention showing the same applied to a four wheel trailer truck. r K Figure 6 is a side elevation of the same.

In the referred embodiment of my invention, t e truck frame comprises a onepiece casting having wheel pieces 1 with integral pedestals 2 mounted upon-the truck journal box 3 inthe usual manner, the for.- ward ends of the wheel' pieces convergin to form a center plate 4 by which the true is attached to the locomotive frame. 1 The rear ends of the .wheel pieces are united by a cross member 5 which preferably forms a foot plate and includes a drawbar pocket or pockets 6 and supports 27 for the fire- The wheel pieces are box-sha ed in cross section except over the journal xeswhere the lower wall is removed to accommodate .the truck springs 7. Equalizer fulcrum bearings 8 are formed on the side walls of the wheel pieces and the latter serve ashousings forth'e truck springs and for equalizers 9 which connect the truck spring system wheels, and in the accompanying drawings inside of said wheels, and an ash pan formed with the locomotive spring system, the end of which is indicated at the righthand of Figure 2. Transverse. elements 10 and 11 fromrespectively the front and rear walls of the ash pan, the side walls of which are fromed in part by the inner walls 12 of the wheel pieces 1 and in part by the inclined portions 13 which extend oyer the tops of the wheel pieces where the latter occupy a lower level than over the journal boxes. The in ner wall 12 of the wheel piece forming the side of the ash pan extends a substantial distance above the top of the wheel piece and then outwardly horizontally as indicated at 14, terminating in a vertical shoulder 15 extending upwardly to the level of the locomotive mud ring M.

In the one-piece structure shown, not'only is the duplication or addition of necessary frame cross members and other strengthenmg parts eliminated, but I also eliminate the bolts or rivets and the labor necessary for machining, fitting, and assembling separate ash pan and truck' frame structures with each other; s

In the modification illustrated in Figures 5 and 6 I show my invention as applied to a four wheel trailer truck with the wheels 16 located on the outside of the wheel pieces 17 and with the latter serving as hollow housings for the'springs 18 and equalizers. g5

19. In his structure an ash pan bottom wal 20 extends over the axle 21 and serves to brace the edestal portions 22. corresponding to the racing of pedestal portion 23 by the ash pan rear wall 24. Obviousl the forward ends of thewheel pieces are raced by the ash pan front wall 25.

In-both forms of my invention as illustrated in the accompanying drawings, the horizontalshelf portion of the ash an is braced from the wheel piece by suitab e ribs 26. Obviously various modifications in the details of my invention ma be made without departing from'the splrit .thereof and I contem late the exclusive use of all such modifications as fall within the scope of m appended claims.

I claim:

1. In a trailer truck, wheels, wheeI'pieces integrally with said wheel pieces and extending outwardly over said wheels.

2. In a trailer truck, wheels, wheel pieces inside of said wheels, and an ash pan formed in y with said wheel pieces and exten mg outwardly from the to of said wheel '(pieces and inwardly from t e bottom ;of sai wheel pieces.

3. A two-wheel trailer truck comprising wheel pieces and an ash pan formed inre 4. A two-wheel trailer truck comprising wheel pieces, an ash pan formed integrally therewith, said wheel pieces being connected in the front and rear of said .ash panto form respectively a pivotal bearing connection to a locomotive frame and a draft or buifin memben: v I 5. two-wheel trailer truck frame including anintegral ash pan, and draft elements on said frame at each end ofsaid ash 6. A two-wheel trailer truck frame including wheel pieces connected to each other at each end and connected to each other intermediate their ends by transverse walls of an ash pan, and elements carried by saidbers connecting said wheel pieces and forming transverse frame elements and bottom and-end walls for the ash pan.

10. In a trailer truck frame, a hollow wheel iece, the inner wall of which extends upwar y between the top of the wheel piece and then outwardly beyond the outer wall of the wheel piece, thereb formin a side wall and an extension shel of an as pan.

IL A two wheel trailer truck frame including wheel supported portions -inter-' mediate its ends, w

eel pieces extending forwardly from saidportions and converging to form a center bearing for pivotal connection to a locomotive frame, and an ash pan formed integrally with said wheel pieces and disposed substantially over and in front y of said wheel supported portions.

12. In a two wheel truck frame, wheel pieces, pedestals, and an ash pan formed in-' tegrally.

13. In a two wheel truck frame,

pieces,- draft members at the ends of said' wheel pieces, and an ash pan located between said wheel pieces and draft members and formed integrally therewith.

14. In a two wheel truck frame, wheel pieces, depending pedestals,'and an ash, an end wall extending. between said w eel pieces abreast of their pedestal forming portions and formed integrally therewith.

In testimony whereof I hereunto aflix my signature, this 9th day of Sept., 1926;

. Him. PFLAGER. 

